3. Output Quality Problems - Crease Quality
36 Morgana DocuMaster MFC - Service Manual
3. Output Quality Problems
3.1 Crease Quality
Crease Quality
Problem
Cause Action
THE PAPER
CRACKS WHEN
FOLDED
The crease pressure is not
set correctly.
Adjust the crease pressure
(see Section 4.5.17).
THE PAPER IS CUT
WHEN CREASED
The creaser pressure is not
set correctly.
Decrease the crease
pressure (see Section
4.5.17).
THE CREASE IS
UNEVEN OR
‘EDGING’
The crease pressure is not
set correctly.
Adjust the crease pressure
(see Section 4.5.17).
The crease blade-set is not
aligned correctly.
Adjust the crease blade-set
alignment (see Section
4.5.14).
THE CREASE IS
NOT SQUARE TO
THE SHEET
The crease skew trim
adjustment on the GUI
panel is not set correctly.
Adjust the crease skew trim
(see User Manual).
The edge-sensor set pair in
use are dirty.
Clean the edge-sensor set
(see Section 4.13.4).
The DynaTilt mechanism is
defective.
Check the DynaTilt home
sequence (see Section
4.5.16).
Check the DynaTilt home
switch input on the creaser
controller PCB (see Section
7.3.8).
Check the DynaTilt drive
signal connections
(see
Section 7.3.8).
The edge-sensor set pair in
use are not calibrated.
Calibrate the creaser
module (see Section
4.5.18).
There is too much gear play
in the DynaTilt motor
mechanism.
Adjust the DynaTilt motor
gear play (see Section
4.5.15).
THE CREASE
POSITION IS NOT
CORRECT
The crease offset trim
adjustment on the GUI
panel is not set correctly.
Adjust the crease offset trim
(see MFC User Operating
Instructions Manual).
The edge-sensor set pair in
use are dirt.
Clean the edge-sensor set
(see Section 4.13.4).
The edge-sensor set pair in
use is not calibrated
Calibrate the creaser
module
(see Section
4.5.18).
THE CREASE
POSITION IS NOT
CONSISTENT
There is too much gear play
in the creaser drive motor
gears.
Adjust the creaser drive
motor gear play (see
Section 4.5.11).
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